Review Questions - Click On The Picture To Begin...
Given that general cargo securement requires a WLL of at least 50% of cargo weight, how many 11mm wire rope tiedowns would be required for a load of 26,000 lbs?
- 2
- 3
- 1
- 4
Quote From The CDL Manual:
WIRE ROPE (6 x 37, Fiber Core)
- Diameter:
- 7 mm (1/4 in)
- 8 mm (5/16 in)
- 10 mm (3/8 in)
- 11 mm(7/16in)
- 13 mm (1/2 in)
- 16 mm (5/8 in)
- 20 mm (3/4 in)
- 22 mm (7/8 in)
- 25 mm (1 in)
- WLL:
- 640 kg (1400 lb.)
- 950 kg (2100 lb.)
- 1360 kg (3000 lb.)
- 1860 kg (4100 lb.)
- 2400 kg (5300 lb.)
- 3770 kg (8300 lb.)
- 4940 kg(10900 lb.)
- 7300 kg(16100 lb.)
- 9480 kg(20900 lb.)
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What is the WLL of a 1/2-inch Grade 70 tiedown?
- 11,300 lbs
- None of these
- 9,200 lbs
- 5,130 lbs
Quote From The CDL Manual:
Size (in diameter):
- 7 mm (1/4 in):
- 8 mm (5/16 in):
- 10 mm (3/8 in):
- 11 mm (7/16 in):
- 13 mm (1/2 in):
- 16 mm (5/8 in):
- Chain Marks -
- Example 1:
- Example 2:
- Example 3:
Grade 70 Transport:
- 1430 kg (3150 lb)
- 2130 kg (4700 lb)
- 2990 kg (6600 lb)
- 3970 kg (8750 lb)
- 5130 kg (11300 lb)
- 7170 kg (15800 lb)
- Chain Marks -
- 7
- 70
- 700
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What is the total WLL of two 20mm nylon ropes and one 5/8-inch wire rope?
- 2,920 lbs
- 11,140 lbs
- 6,820 lbs
- 1,960 lbs
Quote From The CDL Manual:
WIRE ROPE (6 x 37, Fiber Core)
- Diameter:
- 7 mm (1/4 in)
- 8 mm (5/16 in)
- 10 mm (3/8 in)
- 11 mm(7/16in)
- 13 mm (1/2 in)
- 16 mm (5/8 in)
- 20 mm (3/4 in)
- 22 mm (7/8 in)
- 25 mm (1 in)
- WLL:
- 640 kg (1400 lb.)
- 950 kg (2100 lb.)
- 1360 kg (3000 lb.)
- 1860 kg (4100 lb.)
- 2400 kg (5300 lb.)
- 3770 kg (8300 lb.)
- 4940 kg(10900 lb.)
- 7300 kg(16100 lb.)
- 9480 kg(20900 lb.)
NYLON ROPE
- Diameter:
- 10 mm (3/8 in)
- 11 mm (7/16 in)
- 13 mm (1/2 in)
- 16 mm (5/8 in)
- 20 mm (3/4 in)
- 25 mm (1 in)
- WLL:
- 130 kg (278 lb.)
- 190 kg (410 lb.)
- 240 kg (525 lb.)
- 420 kg (935 lb.)
- 640 kg (1420 lb.)
- 1140 kg (2520 lb.)
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